2. Consider the triangle with vertices at A = (0,0), B = (-6, –9), and C = (-15,0). (a) Find the centroid. What special lines did you use to find the centroid? (b) Find the circumcenter. What special lines did you use to find the circumcenter? (c) Find the distance between the circumcenter and the centroid.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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2. Consider the triangle with vertices at A =
(0,0), B = (-6, -9), and C = (-15, 0).
(a) Find the centroid. What special lines did you use to find the centroid?
(b) Find the circumcenter. What special lines did you use to find the circumcenter?
(c) Find the distance between the circumcenter and the centroid.
(d) Identify the interior angles of this triangle. Show the trigonometry here. An
answer derived solely from geogebra or not showing the trigonometry
will receive no credit.
Transcribed Image Text:2. Consider the triangle with vertices at A = (0,0), B = (-6, -9), and C = (-15, 0). (a) Find the centroid. What special lines did you use to find the centroid? (b) Find the circumcenter. What special lines did you use to find the circumcenter? (c) Find the distance between the circumcenter and the centroid. (d) Identify the interior angles of this triangle. Show the trigonometry here. An answer derived solely from geogebra or not showing the trigonometry will receive no credit.
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